Summary: In this blog, we’ll share different methods to address the ‘external hard drive not showing up on Mac’ issue on macOS Monterey, Big Sur, Catalina and other lower versions. Download the free-to-try Mac data recovery software to recover your lost data from external hard drive on Mac.
“Hi friends, when I connected my 2 TB Seagate external hard drive after a long time on my MacBook Air (running on macOS Monterey, Big Sur, or Catalina), the drive did not show up in the Desktop or Finder sidebar. This drive has all my important digital memories. Could anyone please help me out to recover my data from the drive? Thanks.”
When you connect an external hard drive to your Mac running on macOS Monterey, Big Sur, or Catalina, the storage drive may not show up on Desktop, Finder, or even on the Disk Utility app due to several reasons.
The next sections describe multiple troubleshooting methods to fix the ‘external drive not showing up on Mac’ issue on macOS.
Your external hard drive may not be connected properly to the USB port present on your MacBook Air, iMac, or Mac mini. Try the following steps:
In macOS Monterey, Big Sur, or Catalina, you need to enable the visibility of external disks. For setting your preferences, do the following:
Try updating your macOS Monterey, Big Sur, or Catalina to fix subtle issues of external hard drive connectivity. But before that, back up your Macintosh HD by using Time Machine to avoid any data loss. Ensure your Time Machine drive is connected to your Mac. Go to Time Machine > Back Up Now. Once the backup is taken, perform the following steps to update your macOS.
When your Mac is not recognizing the external hard drive, use Disk Utility to mount and repair the unrecognized external drive. The steps are as follows:
When Disk Utility can’t repair your external hard drive, use your Terminal application available in macOS to mount and repair the affected drive. The steps are as follows:
In case the external drive’s data is not accessible due to file system corruption, you can still recover the data by using a data recovery software for Mac.
After recovering the inaccessible data, erase the drive by using Disk Utility to fix any logical issues. Finally, restore the recovered data to the external hard drive.
If your external hard drive is not visible in Disk Utility even if you have chosen the Show All Devices option in the View tab, then the drive may have undergone physical damage. You need to replace the inoperative drive with a new one.
Note: To recover data from a dead hard drive, get in touch with a data recovery service provider.
Learn More: Worst Mac Hard Drive Problems And Solutions
The blog highlighted common reasons for troubleshooting strategies to resolve the ‘external hard drive not showing up on Mac’ issue. To perform any critical troubleshooting process, back up your drive. In case of data loss, do not lose hope. Recover your lost data by using a Stellar Data Recovery Professional for macOS Monterey, Big Sur, Catalina, or earlier. The Mac data recovery software supports a variety of storage devices including external hard drives formatted with APFS, HFS+, HFS, NTFS, FAT, and ex-FAT file systems. The software is available for a free trial.
Vishal is a data recovery expert @Stellar. He addresses data loss scenarios on a Mac. He intends to help people solve their macOS problems. Besides, Vishal prefers to read about astronomy and autobiography, and his favorite is Steve Jobs - The man who thought different written by Karen Bluementhal.
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